Gauge cock



i which Y the method of steam boilers, land mere n `gauge-co piovements .i

a weighted yvalve which normally :closes:` an escape-orlfice in, a screw-noazle'ro of the boiler nearv thereof.

It is anobject valve which maybe the gauge-cock is in.V place on the boiler and a further object is to p screw-,nozzle of the device with .a valve-seat which may be detached and replace there is pressure in am or water.

Vith the above and other objects in view consists in the construction escape of ste my 'invention and arrangement of accompanying are similarly views and in which Figure 1 represents a improved gauge-cock,

Figure 2, a longitu the line 2-2 Figure 1, l

sverse Figure 3, a tran vline 3--3 Figure 2, l of the arrows drawn Figure et, a similar sec same line but looking in the opposite direc-v tion, and

Figure 5, a the portions 0 fluid from the boiler the valve are being nozzle-member comp screw-nipple 8 for its ing of the .boilerjecting lug 9 for the lever-han The body has a lo ferent diameters, the

is screw-threaded for the application of a headed screw-plug 10 which has a bore 12 in axial alinement with The plug provides mounted' on the lever referred to, and its bore I12 .is of larger diam 4of the invention :to ,provide in connect-ion vwith tlif'e'"weight'ed'handle, a

drawings inv which like parts designated throughoutV the fragmentary sectional view of f the members ofthe device at which they are joinedntogether, showing obstructing the passage ofv `The reference numeral .5 `designates the wall of a. boiler, providedwith a screwthreaded opening 6 for the connection of the nozzle-member of the gauge-cock.

wall,'and a forwardly prothe pivotal connection of dle hereinafter to be described.

rparti'cularly to cls @fthe typ.' .1h leverghandle' carries a nnected in, an' opening or at the' `water-level projectinglug Qofthe The lug a have registeri entends. a Cotter-pin 17 readily renewed 'while nect'io'ng' of the member. rovide the stationary d whilel the boiler, without valve which cooperates through the bore of the parts illustrated in the bottom view of the tion ofthe stem engages dinal sectiontakenon tions. VThe valve' pro section along the ookiiigl in the direction across the line,

tion taken on the ln the operatic'iri-of` while the valve seat or valveis held in contact removed and replaced.-

This rises a body having a connection in the opennozzle. vThe valve is means of the-lock nut. Y ngitudinal bore of dii` Nheii it is desired outer portion of which operative conditie parts have become age, the passage o bore o the other. a valve-seat for a valve -handle liereinbefore f steam o remove either the valve or ther plug vwhile `the gauge is'in its n, when one or both of the y defective by wear or breakor water through the f the nozzle is stopped .by the `insertion of a pin 23 into said bore through the relaj. j i tively larger bore of the screweplug as illus` n'oZZle-inember.

oLonnDof eter than` the'. immediately adjoining por-v tion :13 off the nozzle-bore forl a purpose 'hereinafter to beQdescribed. rlhe lever! handle of the device consistsof an elongated body 1li weighted asaty 15,i andfhavifngf. at one end a recess 16 to admitvthe forwardly ndjthe side-vvalls ofthe recess i ngk l' openings through. which for the pivotal con? levermember'with the iio'ZZle- The bodyy ofthe lever 'iiie'riiber'v l Vhas a longitudinal passage partially screw= threaded for lthe adjustable connection of a' with the valvesseat of the screw-plug 4to normally obstruct the` escape of steam or watervfrom the boiler nozzle-member.

The valve comprises a stem l18 screw-V threaded at one end for `itsvco'lnnection with the screw-thread of the leverbody, and provided with a head 20to facilitate its rotary adjustment. A nut 19 on the threaded porthe end of the lever'- body to lock the valve in its adjusted posiper consists of' al pointed stud V21. which is connected in a screw-threaded socket at'the end of the stem,

vby m'eansof a correspondingly threaded nipple 22 ofvreduced diar'neter. `Thestud thus connected, is continuouswith the stem and in axial alinement with the same and its pointfllls the'slightly chamfered end portion of the bore of the plugon the nozzle-'member of the device when the lever-member of the.l same is in its normal position..

the gauge-cock, the with its seat by .the

`weight of the lever and when it is desired to test the height `ofthe water in the boiler' the leverjis liftedvso as' to separate the valve f from `the seat and thereby permit the escape of steam or water throughthe opening of the 100 adjusted to its proper lclosin `position by rotation of the threaded stem j' and it is secured. in its adjusted `position by y sof' trated in Figure The pin, which may be of" metal or Wood, when thus positioned, ob-

' struets the outflow of steam or Water and the l and, simplicity `ters Patent y Y A Y y l. d gaugeeeoek ofthe e'liaraf-Jter described plug or the valve-stud or both'these parts/ may be removedu and ditions. p .n y A UA steamv and Water tight Clovsurefmay thus be maintained. at all times either byadjustment of the valve or bynreplaeement ofthe replacedrunder all conv-` valve-stud or the plugpproviding the' valveseatrand While the `meansemployed for this purpose, as shown'in the driavving's,` are preerred by'reason of their apparent 'efficiency of Construction., it Will beunderstood that minor Changes in the struetural detailsfmaybe resorted to Withoutdepartig from the'spirit ofztlielinventiohfff What .i @kum and desire to secure by Letcomprising. a 4nozzle-member adaptedi for connection with a boiler and having a passage for theeseape of fluid from the boiler, a

`removable plug on the nozzle-member; having a. bore of lrelatively'larger diameter throughout alinedvwith the passage of the connection with a boilerand havin'ga' pas- ,A

sage for the escape of Huid from theboiler,

a serewthreaded plugon the nozzle'member having a borefof relatively larger diameter oted leverfmemb'er, and' a valve on the leveri'nem'ber, adaptedl to Iclose the bore of the plugl` V Y luA testimony whereof- I :have aflixe'd 'my signature; v f,

WALLACE E, sHAFiER, f

-aline'dwith the `passageofthe same, a' piv. v 

